This vintage paperback book, titled "Tao of Jeet Kune Do" by Bruce Lee, is an excellent addition to any collection of martial arts literature. The language used is English, and it is perfect for anyone interested in the philosophy and techniques of Jeet Kune Do. The binding is in good condition, making it a great choice for collectors of antiquarian and collectable books. This book will be a valuable and informative read for anyone interested in martial arts, as it provides an in-depth understanding of the principles and techniques of Jeet Kune Do. The author, Bruce Lee, is a renowned figure in the world of martial arts and his knowledge and expertise are reflected in this book. Whether you are a collector or just an enthusiast, this book is a must-have for anyone interested in martial arts and the philosophy behind it.